Home / 839,677.76-1,158,732.24-457,712

Finding the Fourth Proportional to 839,677.76, 1,158,732.24 and 457,712

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Solution

The fourth proportional to 839,677.76, 1,158,732.24 and 457,712 is: 631,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,677.76 : 1,158,732.24 = 457,712 : x
  2. Step 2: Convert to fraction form
    839,677.76/1,158,732.24 = 457,712/x
  3. Step 3: Cross multiply
    839,677.76x = 1,158,732.24 × 457,712
  4. Step 4: Simplify right side
    839,677.76x = 530,365,651,034.88
  5. Step 5: Solve for x
    x = 530,365,651,034.88/839,677.76
  6. Step 6: Final answer
    x = 631,629.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.